19704870

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:98

約数の個数: 128

約数和(自身を含む): 57386880

約数和(自身を除く): 37682010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 53, 54, 81, 85, 90, 102, 106, 135, 153, 159, 162, 170, 243, 255, 265, 270, 306, 318, 405, 459, 477, 486, 510, 530, 729, 765, 795, 810, 901, 918, 954, 1215, 1377, 1431, 1458, 1530, 1590, 1802, 2187, 2295, 2385, 2430, 2703, 2754, 2862, 3645, 4131, 4293, 4374, 4505, 4590, 4770, 5406, 6885, 7155, 7290, 8109, 8262, 8586, 9010, 10935, 12393, 12879, 13515, 13770, 14310, 16218, 20655, 21465, 21870, 24327, 24786, 25758, 27030, 37179, 38637, 40545, 41310, 42930, 48654, 61965, 64395, 72981, 74358, 77274, 81090, 115911, 121635, 123930, 128790, 145962, 185895, 193185, 218943, 231822, 243270, 364905, 371790, 386370, 437886, 579555, 656829, 729810, 1094715, 1159110, 1313658, 1970487, 2189430, 3284145, 3940974, 6568290, 9852435, 19704870]

約数ペア:

[(1, 19704870), (2, 9852435), (3, 6568290), (5, 3940974), (6, 3284145), (9, 2189430), (10, 1970487), (15, 1313658), (17, 1159110), (18, 1094715), (27, 729810), (30, 656829), (34, 579555), (45, 437886), (51, 386370), (53, 371790), (54, 364905), (81, 243270), (85, 231822), (90, 218943), (102, 193185), (106, 185895), (135, 145962), (153, 128790), (159, 123930), (162, 121635), (170, 115911), (243, 81090), (255, 77274), (265, 74358), (270, 72981), (306, 64395), (318, 61965), (405, 48654), (459, 42930), (477, 41310), (486, 40545), (510, 38637), (530, 37179), (729, 27030), (765, 25758), (795, 24786), (810, 24327), (901, 21870), (918, 21465), (954, 20655), (1215, 16218), (1377, 14310), (1431, 13770), (1458, 13515), (1530, 12879), (1590, 12393), (1802, 10935), (2187, 9010), (2295, 8586), (2385, 8262), (2430, 8109), (2703, 7290), (2754, 7155), (2862, 6885), (3645, 5406), (4131, 4770), (4293, 4590), (4374, 4505)]